Chongqing Rail Transit Line 1 is the second urban rail transit line put into operation in Chongqing, China. As of December 2020, the operating mileage of Chongqing Rail Transit Line 1 is 45.34 kilometers, with a total of 25 stations, including 16 underground stations and 9 elevated stations.

Guangzhou Metro Line 18 is the 14th urban rail transit line in Guangzhou, Guangdong Province, China, and the first all-underground urban express line with a speed of 160 kilometers per hour in China [35]. The first section (from Wanqingsha Station to Xian Cun Station) will be put into operation on S

Wuxi Metro Line 1 is the first metro line to be put into operation in Wuxi, Jiangsu Province, China. The main line (from Yanqiao Station to Changguangxi Station) was put into trial operation on July 1, 2014, and the South extension line (from Changguangxi Station to Nanquan Station) was put into ope

Changchun Rail Transit Line 2, the fourth rail transit line in Changchun, Jilin Province, was put into operation on August 30, 2018. According to the official website of Changchun Rail Transit in November 2023, the total length of Changchun Rail Transit Line 2 is 24.86 kilometers, with 21 stations,

The total length of Dalian Metro Line 2 is 37.298 km, all of which are underground; It is the first subway line and the third urban rail transit line in Dalian, Liaoning Province, China. The first phase of the project (from Airport station to Conference Center station) was opened on May 22, 2015, an

Guangzhou Metro Line 4 is a subway line in Guangzhou, Guangdong Province, China, which opened its first section (Wanshengwei Station to Xinzao Station) on December 26, 2005. On December 30, 2006, the first section of the second phase of Guangzhou Metro Line 4 was opened (from new station to Huangge

Tianjin Rail Transit Line 1 is the first rail transit line in Tianjin. As of November 2022, the length of Tianjin Rail Transit Line 1 is 42 kilometers. As of November 2022, Tianjin Rail Transit Line 1 has a total of 32 stations, including 24 underground stations and 8 elevated stations.

Nanjing Metro Line 6, a subway line under construction in the Nanjing subway network, officially started construction on December 28, 2019, and is scheduled to open in 2025. Nanjing Metro Line 6 has a total length of 32.365 kilometers, all of which are underground; There are 19 stations, all undergr

Kunming Metro Line 1 is the second metro line in Kunming, Yunnan Province, China. Construction began on December 19, 2008, and the southern section was opened on May 20, 2013. The branch line was put into trial operation with the first phase of Line 1 and Line 2 on October 3, 2016.Kunming rail trans